Prosartes trachycarpa

S. Watson

Botany (Fortieth Parallel), 344. 1871.

Common names: Rough-fruited fairy-bells rough-fruited mandarin
Synonyms: Disporum trachycarpum (S. Watson) Bentham & Hooker f. Disporum trachycarpum var. subglabrum E. H. Kelso
Treatment appears in FNA Volume 26. Treatment on page 144. Mentioned on page 142.

Plants 3–8 dm, crisp-pubescent, glabrate or glabrous with age. Stems sparingly branched. Leaves 4–12 × 2–5 cm; blade ovate to oblong-lanceolate, subcordate to oblique basally, abaxial surface and margins moderately pubescent, hairs scattered, flattened, apex acute to short-acuminate, with 7–9 prominent veins. Flowers 1–2(–3); perianth narrowly campanulate; tepals creamy to greenish white, narrowly oblanceolate, 8–15 mm; stamens mostly exserted; filaments filiform, 10–15 mm; anthers 3–4(–5) mm; ovary broadly ovoid to obovoid, becoming 3-lobed and obpyriform after anthesis, finely papillose, ovules 2–6 per locule, horizontal; style 0.9–1.2 cm, glabrous or pubescent; stigma unlobed or 3-lobed. Berries reddish orange to bright red, 6–12(–18)-seeded, depressed-globose, 12–18 mm, strongly papillose. Seeds 4–5 mm. 2n = 22.

Phenology: Flowering late spring–summer.
Habitat: Rich, shady deciduous forests, aspen groves to open coniferous forests
Elevation: 300–2500 m


V26 229-distribution-map.jpg

Alta., B.C., Man., Ont., Sask., Ariz., Colo., Idaho, Mich., Minn., Mont., Nebr., N.Mex., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.


The recently discovered populations of Prosartes trachycarpa in Isle Royale National Park, Michigan (E. J. Judziewicz et al. 1997), are noteworthy disjunctions for this otherwise western species.

Selected References


Lower Taxa

... more about "Prosartes trachycarpa"
Frederick H. Utech +
S. Watson +
Rough-fruited fairy-bells +  and rough-fruited mandarin +
Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Ariz. +, Colo. +, Idaho +, Mich. +, Minn. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
300–2500 m +
Rich, shady deciduous forests, aspen groves to open coniferous forests +
Flowering late spring–summer. +
Botany (Fortieth Parallel), +
Disporum trachycarpum +  and Disporum trachycarpum var. subglabrum +
Prosartes trachycarpa +
Prosartes +
species +